Everyone came to the wedding, including a distant 'cousin' no one had heard from in years.
He's her 'first cousin'. = He and she are 'first cousins'.
He says politics and show business are 'kissing cousins'.
(..) That is not enough! I must also expose a traitor in our midst. Surely there are no traitors in this hall, sire. Cousin Egbert, why have your lands... never been attacked by the Vikings? What do you mean, sire? Neither your lands... (..)1958 The Vikings
(..) Your Majesty. Thank you, my gracious lady. You may rest assured that the barbarians... that murdered your husband, my cousin... will soon feel the weight of my anger. And though your union with Edwin was fruitless... feel confident that you retain (..)1958 The Vikings